ECONOMIC MACHINE TOOL INVESTMENT Authors J. Filemon F. Lettner Citation data from Crossref and Scopus PDF How to Cite Filemon, J., Lettner, F. “ECONOMIC MACHINE TOOL INVESTMENT ”, Periodica Polytechnica Mechanical Engineering, 6(4), pp. 237–250, 1962. More Citation Formats Periodica Polytechnica Numbered ACM ABNT Chicago Harvard IEEE Vancouver Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX Issue Vol. 6 No. 4 (1962) Section Articles